HOLYOKE -- Two dozen shell casings were found on the ground at Elm, Walnut, Appleton and Essex streets Tuesday as police investigated shots-fired reports.

No injuries were reported, no weapon was found and the investigation is continuing in the Downtown Neighborhood, Lt. Matthew F. Moriarty said.

Lt. Jim Albert was driving on patrol around 6:20 p.m. when he heard gunshots that appeared to be coming from an alley between Elm and Walnut streets. Additional shots were heard around Appleton and Essex streets. Shell casings, brass remnants of fired bullets, were found in those areas, Moriarty said.